11811206 has 16 divisors (see below), whose sum is σ = 19411920. Its totient is φ = 5345280.

The previous prime is 11811203. The next prime is 11811221. The reversal of 11811206 is 60211811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11811203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4610 + ... + 6698.

It is an arithmetic number, because the mean of its divisors is an integer number (1213245).

Almost surely, 2^11811206 is an apocalyptic number.

11811206 is a deficient number, since it is larger than the sum of its proper divisors (7600714).

11811206 is a wasteful number, since it uses less digits than its factorization.

11811206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359.

The product of its (nonzero) digits is 96, while the sum is 20.

The square root of 11811206 is about 3436.7435167612. The cubic root of 11811206 is about 227.7358565105.

The spelling of 11811206 in words is "eleven million, eight hundred eleven thousand, two hundred six".